Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee2ca808f3391791…

MALICIOUS

PDF

41.8 KB Created: 2021-04-27 12:24:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9258784d541526b007fbd2f1db9376ad SHA-1: e172e19e0c01dfa1fd759e4869fa36f3bd9407aa SHA-256: ee2ca808f3391791c707a194a0b6f674b5205da896a95b6d54a24b7f8ed88a3c
168 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites, including one identified as a malicious redirector. The document body and heuristics indicate a lure related to "game hacks" and "free Robux", suggesting a phishing or scam attempt. The presence of embedded URLs and the nature of the lures strongly indicate an attempt to trick the user into visiting malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

Heuristics 5

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.xyz/app/431946152/how-do-i-hack-roblox-for-robux-game-hack In PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-alien-simolator-hack-script.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-free-robuxapl.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/hack-adminisrtateur-roblox-2021.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-account-in-roblox-real-2021.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/a-free-account-on-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-roblox-gift-card-codes-2021-junr.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/hack-my-roblox-account-freee-no-downloads.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/youtube-robux-hack.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-promo-codes-roblox-group.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/enter-this-code-to-get-free-robux.pdfIn PDF document text
    • https://robux-rank.comIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004237.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4237 27320 bytes
SHA-256: bb3aa7002f28ad20fe3e9b93816af9606fdae6de54b5bcecf75f19a7ef5ec28d
font_01_sfnt_off00008017.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8017 18820 bytes
SHA-256: 5e57bd3bdf0ec91a44c7ea3d0239fd1232b6b90f9b188fdb93f797e29402a240

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